Marsalis’ lecture, “Setting the Communal Table: The Evolution of the Jazz Orchestra,” will illustrate the relationship of written to improvised music and solo to ensemble playing, showcase important and unique musical techniques, and provide philosophical and communal insights. The lecture will begin at 7 p.m. and will be live streamed at Harvard.edu/livestream

Tickets will be free. They will become available for the Harvard community on Sept. 17 and for the public on Sept. 19.